An 11-year-old aspiring handwriting analyst, a solitary boy, and a talking pigeon solve the mystery of Nicky's missing grandmother.

Kate Feiffer is a writer, a filmmaker, and a mother. She is the author of the picture books No Go Sleep!; President Pennybaker; But I Wanted a Baby Brother!; The Wild, Wild Inside; Which Puppy?; My Mom Is Trying to Ruin My Life; and Double Pink; and of the middle-grade novels Signed by Zelda and The Problem with the Puddles. She lives with her family on Martha’s Vineyard, Massachusetts. Visit her at KateFeiffer.com.